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Proceedings Paper

MFP scanner motion characterization using self-printed target
Author(s): Minwoong Kim; Peter Bauer; Jerry K. Wagner; Jan P. Allebach
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Paper Abstract

Multifunctional printers (MFP) are products that combine the functions of a printer, scanner, and copier. Our goal is to help customers to be able to easily diagnose scanner or print quality issues with their products by developing an automated diagnostic system embedded in the product. We specifically focus on the characterization of scanner motions, which may be defective due to irregular movements of the scan-head. The novel design of our test page and two-stage diagnostic algorithm are described in this paper. The most challenging issue is to evaluate the scanner performance properly when both printer and scanner units contribute to the motion errors. In the first stage called the uncorrected-print-error-stage, aperiodic and periodic motion behaviors are characterized in both the spatial and frequency domains. Since it is not clear how much of the error is contributed by each unit, the scanned input is statistically analyzed in the second stage called the corrected-print-error-stage. Finally, the described diagnostic algorithms output the estimated scan error and print error separately as RMS values of the displacement of the scan and print lines, respectively, from their nominal positions in the scanner or printer motion direction. We validate our test page design and approaches by ground truth obtained from a high-precision, chrome-on-glass reticle manufactured using semiconductor chip fabrication technologies.

Paper Details

Date Published: 8 February 2015
PDF: 26 pages
Proc. SPIE 9396, Image Quality and System Performance XII, 93960E (8 February 2015); doi: 10.1117/12.2083522
Show Author Affiliations
Minwoong Kim, Purdue Univ. (United States)
Peter Bauer, Hewlett-Packard Co. (United States)
Jerry K. Wagner, Hewlett-Packard Co. (United States)
Jan P. Allebach, Purdue Univ. (United States)

Published in SPIE Proceedings Vol. 9396:
Image Quality and System Performance XII
Mohamed-Chaker Larabi; Sophie Triantaphillidou, Editor(s)

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